1) A gas in a cylinder with a moveable piston has an initial volume of 88.2 mL. If we heat the gas from 35°C to 155°C, what is its final volume (in mL)?
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- 9 Hint Resume Question 8 of 18 Question Two bulbs are connected by a stopcock. The 4.50 L bulb contains nitric oxide (NO) at a pressure of 0.273 bar, and the 1.50 L bulb contains oxygen (0,) at a pressure of 0.410 bar. NO After the stopcock is opened, the gases mix and react to produce nitrogen dioxide (NO,). 2 NO(g) + 0,(g) – 2 NO,(g) Considering that the volume remains unchanged during the experiment, how does the total pressure in the bulbs change if the reaction is allowed to go to completion? The total pressure will decrease. There is not enough information to determine how the total pressure will change. The total pressure will remain constant. The total pressure will increase.[References] Use the References to access important values if needed for this question. A sample of neon gas occupies a volume of 8.84 L at 48.0°C and 1.28 atm. If it is desired to increase the volume of the gas sample to 10.1 L, while decreasing its pressure to 0.904 atm, the temperature of the gas sample at the new volume and pressure must be °C. Submit Answer Try Another Version 1 item attempt remaining Previous Next 10 MAR 10 27 étv 280 MacBook AirA sample of argon gas at a pressure of 762 mm Hg and a temperature of 22 °C, occupies a volume of 11.1 liters. If the gas is cooled at constant pressure to a temperature of -1 °C, the volume of the gas sample will be Submit Answer Try Another Version 10 item attempts remaining
- A helium-filled weather balloon has a volume of 813 L at 23.9°C and 759 mmHg. It is released and rises to an altitude of 7.79 km, where the pressure is 331 mmHg and the temperature is -28.1°C. The volume of the balloon at this altitude is L. Submit AnswerA gas has a volume of 5.20 L when it's at 90°C. What is the volume if the temperature is 25°C at constant pressure? Answer: 4.26 L, just need steps pls!!© Macmillan Learning A container of N₂O₂(g) has a pressure of 0.460 atm. When the absolute temperature of the N₂O3(g) is tripled, the gas completely decomposes, producing NO₂(g) and NO(g). Calculate the final pressure of the gas mixture, assuming that the container volume does not change. # 3 final pressure: E D C $ 4 R F 1.38 Incorrect V % 67 5⁰ 5 T G < 6 B MacBook Pro Y H & 7 N U J * 8 M K 9 H < O L I ) 0 L P 1 command option { [ ? 1 11 + } ] atm delete retu
- A sample of xenon gas occupies a volume of 6.24 L at 51.0°C and 1.25 atm. If it is desired to increase the volume of the gas sample to 8.08 L, while decreasing its pressure to 0.870 atm, the temperature of the gas sample at the new volume and pressure must be °C. Submit AnswerMacmillan Learning The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. However, given the same kinetic energies, a lighter molecule will move faster than a heavier molecule, as shown in the equation for rms speed rms speed = where R = 8.314 J/(mol·K) and M is molar mass in kilograms per mole. Note that a joule is the same as a kilogram-meter squared per second squared (kg-m²/s²). What is the rms speed of Cl₂ molecules at 489 K? rms speed: 3RT M What is the rms speed of He atoms at 489 K? rms speed: m/s m/sapp.101edu.co Question 59 of 59 How many grams of Na solid are required to completely react with 19.2 L of Cl, gas at STP according to the following chemical reaction? Remember 1 mol of an ideal gas has a volume of 22.4 L at STP. 2 Na(s) + Ch(g) 2 NaC(s) STARTING AMOUNT ADOFACTOR ANSWER RESET 0.0373 19.7 1.71 22.99 0.857 6.022 x 1023 30.4 68.90 22.4 35.45 39.4 19.2 mol Cl g Na g/mol Na L Na mol Na g/mol Cl g Ch L C,
- Constructed Response Section he composition of air is shown in the table below. Substance Composition of Dry Air 78.1% Nitrogen 20.9% Oxygen 0.93% Argon Carbon Dioxide 0.035% 13. A sample of air in a closed container is heated. (a) Would the total pressure of the air in the container increase, decrease, or remain unchanged? Explain your reasoning. (b) Would the percentage of oxygen in the air in the container increase, decrease, or remain unchanged? Explain your reasoning. (c) Would the partial pressure of oxygen in the container increase, decrease, or remain unchanged? Explain your reasoning. (d) What would be the partial pressure of nitrogen, PN, in a room in which the total air pressure was 0.987 atm? Education TM Inc.A 13.5 gram sample of oxygen gas has a volume of 926 milliliters at a pressure of 3.80 atm. The temperature of the O, gas sample is °С. Submit Answer Try Another Version 1 item attempt remainingExample 19 The volume in Liters of H (g) (measured at 22 "C and 745 mmHg) required to react with 30.0 L CO(g) (measured at 0 C and 760 mmHg) in the reaction CO(g) + H2 (g) CH (g)+ HO(1) is: A) 63.5 L B) 74.1 L C) 77.2 L D) 70.0 L